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A thin uniform heavy rod of length l han...

A thin uniform heavy rod of length l hangs from a horizontal axis passing through one end. The initial angular velocity `omega` that must be imparted to it to rotate it through `90^(@)` is :

A

` sqrt((g)/(l))`

B

`sqrt((3g)/(L))`

C

`sqrt((2g)/(l))`

D

`sqrt((3g)/(2l))`

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-10 ROTATIONAL-Exercise - 1
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